CN116117563A - Flange indexing drilling positioning jig - Google Patents
Flange indexing drilling positioning jig Download PDFInfo
- Publication number
- CN116117563A CN116117563A CN202310397581.6A CN202310397581A CN116117563A CN 116117563 A CN116117563 A CN 116117563A CN 202310397581 A CN202310397581 A CN 202310397581A CN 116117563 A CN116117563 A CN 116117563A
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- China
- Prior art keywords
- flange
- drilling
- disc
- positioning
- middle adjusting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/088—Work-clamping means other than mechanically-actuated using vacuum means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a flange indexing drilling positioning jig, which relates to the technical field of flange drilling equipment and comprises the following components: positioning a base; the upper clamp is arranged above the positioning base, and a plurality of clamping teeth are circumferentially distributed on the upper clamp and used for firmly clamping the flange workpiece; the middle adjusting disc is rotatably arranged on the positioning base and positioned below the upper clamp, a worm wheel is coaxially arranged on the middle adjusting disc, a shaft disc is rotatably arranged on one side of the positioning base, a worm is fixed in the shaft disc, and the worm wheel is meshed with the worm for transmission; the self-adaptive eccentric adjusting mechanism is arranged in the middle adjusting disk, is concentric or non-concentric with the middle adjusting disk, and the lower end of the upper clamp is connected with the self-adaptive eccentric adjusting mechanism; the drilling machine is overhead fixed right above the positioning base, so that eccentric displacement generated by drilling can be avoided, the processing stability is improved, and the drilling precision is ensured.
Description
Technical Field
The invention belongs to the technical field of flange drilling equipment, and particularly relates to a flange indexing drilling positioning jig.
Background
The flange connection or the flange joint refers to detachable connection which is formed by mutually connecting a flange, a gasket and a bolt as a group of combined sealing structures, and in the flange processing production, the flange drilling positioning jig can provide main body positioning for the flange and assist drilling; in the use of the flange drilling positioning jig in the prior art, although the positioning of a flange workpiece main body can be realized, the positioning jig is affected by processing vibration, the stability is poor, the hole position in the drilling is extremely easy to slightly deviate, the hole diameter is enlarged, the clamping force is singly increased, the clamping stability can be effectively improved, the workpiece is deformed or damaged due to excessive clamping, and the problem of processing stability cannot be fundamentally solved. Therefore, a person skilled in the art provides a flange indexing drilling positioning fixture to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: a flange indexing drilling positioning jig, comprising:
positioning a base;
the upper clamp is arranged above the positioning base, and a plurality of clamping teeth are circumferentially distributed on the upper clamp and used for firmly clamping a flange workpiece;
the middle adjusting disc is rotatably arranged on the positioning base and positioned below the upper clamp, a worm wheel is coaxially arranged on the middle adjusting disc, a shaft disc is rotatably arranged on one side of the positioning base, a worm is fixed in the shaft disc, and the worm wheel and the worm are in meshed transmission;
the self-adaptive eccentric adjusting mechanism is arranged in the middle adjusting disc, is concentric or non-concentric with the middle adjusting disc, and the lower end of the upper clamp is connected with the self-adaptive eccentric adjusting mechanism; the self-adaptive eccentric adjusting mechanism can perform eccentric adjustment on the upper clamp after the drilling and positioning of the flange workpiece, so that the processing drilling hole on the flange workpiece and the middle adjusting disc are coaxially arranged; and
and the drilling machine is overhead and fixed right above the positioning base.
Further, preferably, the circumferential side wall of the positioning base is provided with an index bar.
Further, preferably, an inner guide disc is coaxially rotatably arranged in the middle adjusting disc, the lower end face of the inner guide disc is fixed with the worm wheel, and a torsion spring is arranged between the middle adjusting disc and the inner guide disc, so that the deflection angle of the inner guide disc is controlled within the range of 0-6 degrees.
Further, preferably, the adaptive eccentric adjustment mechanism includes:
the mounting sleeve is arranged in the middle adjusting disc;
the shaft post is coaxially arranged in the mounting sleeve, a bearing is arranged in the mounting sleeve, the shaft post is rotationally connected with the mounting sleeve through the bearing, and an internal connecting shaft is fixed below the shaft post in the mounting sleeve;
the self-adaptive driving piece is arranged in the middle adjusting disc and is connected with the inner connecting shaft;
the annular pressing bin is sleeved and fixed outside the mounting sleeve, and an annular plug piece is arranged in the annular pressing bin in a sliding manner;
the outer ring frame is sleeved outside the mounting sleeve, a plurality of supporting rods are vertically fixed on the ring plug piece, and one end, away from the ring plug piece, of each supporting rod is fixed with the outer ring frame;
the gas flow pipe is connected to one side of the annular pressure bin;
the cross section of the pressing pad piece is in an L-shaped structure, and a plurality of pressing pad pieces are circumferentially distributed on the outer ring frame; and
the clamping ring is embedded and fixed in the mounting sleeve, and one end of the pressing pad piece slides into the clamping ring and contacts with the side wall of the shaft column.
Further preferably, a resistance increasing member is provided at an end of the pressing pad member extending into the pressing ring.
Further, preferably, the adaptive driving part includes:
the connecting outer cylinders are circumferentially distributed on the middle adjusting disc, and pistons are slidably arranged in the connecting outer cylinders;
the connecting shaft bracket is arranged in the middle adjusting disc, a plurality of connecting rods are hinged to the connecting shaft bracket, and one ends of the connecting rods are rotationally connected with the piston;
the installation concave position is arranged at the central position of the connecting shaft bracket, and the internal connecting shaft is fixed in the installation concave position;
the air inlet and the air outlet are arranged on the connecting outer cylinder.
Further, preferably, a positioning sucker is installed outside the positioning base.
Compared with the prior art, the invention has the beneficial effects that:
the self-adaptive eccentric adjusting mechanism provided by the invention can carry out displacement adjustment on the upper clamp after the drilling of the flange workpiece is positioned, so that the drilling of the flange workpiece and the positioning base can be coaxially arranged, the flange workpiece can slightly vibrate in a torsional mode by taking the drilling as the axis under the vibration of the flange workpiece in the follow-up drilling, the eccentric displacement (relative to the axis of the upper clamp) of the drilling is avoided, the processing stability is improved, and the drilling precision is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic partial cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of an adaptive eccentric adjustment mechanism according to the present invention;
FIG. 4 is a schematic diagram of the adaptive driving part according to the present invention;
FIG. 5 is a schematic view of the drill, flange work-piece borehole and positioning base of the present invention;
in the figure: 1. positioning a base; 11. an intermediate regulating plate; 12. a clamp is arranged; 13. clamping teeth; 14. a worm wheel; 15. a shaft disc; 16. a worm; 17. a drilling machine; 18. an inner guide disc; 2. an adaptive eccentric adjustment mechanism; 21. a mounting sleeve; 22. a bearing; 23. a shaft post; 24. a ring pressing bin; 25. an outer ring frame; 26. a compression ring; 27. an inner joint shaft; 3. an adaptive drive; 31. connecting an outer cylinder; 32. a connecting rod; 33. a connecting shaft bracket; 34. an air flow inlet; 35. and an air flow outlet.
Description of the embodiments
Referring to fig. 1 to 5, in an embodiment of the present invention, a positioning fixture for indexing drilling of a flange includes:
the positioning base 1 is generally of a plane structure supported by steel or aluminum alloy, so as to support and fix the whole jig;
the upper clamp 12 is arranged above the positioning base 1, and a plurality of clamping teeth 13 are circumferentially distributed on the upper clamp 12 and used for firmly clamping a flange workpiece so as to ensure that the position and the direction of the workpiece are unchanged;
the middle adjusting disc 11 is rotatably arranged on the positioning base 1 and positioned below the upper clamp 12, a worm wheel 14 is coaxially arranged on the middle adjusting disc 11, a shaft disc 15 is rotatably arranged on one side of the positioning base 1, a worm 16 is fixed in the shaft disc 15, and the worm wheel 14 is meshed with the worm 16 for transmission;
the self-adaptive eccentric adjusting mechanism 2 is arranged in the middle adjusting disc 11 and is concentric or non-concentric with the middle adjusting disc 11, and the lower end of the upper clamp 12 is connected with the self-adaptive eccentric adjusting mechanism 2; the self-adaptive eccentric adjusting mechanism 2 can perform eccentric adjustment on the upper clamp 12 after the drilling and positioning of the flange workpiece, so that the processing drilling holes on the flange workpiece and the middle adjusting disc 11 are coaxially arranged; and
the drilling machine 17 is overhead to be fixed directly over the locating base 1, wherein the main body position of the drilling machine 17 is kept fixed, so that the center alignment of a drill rod can be realized through the adjustment of the drilling position of a flange workpiece during drilling.
In this embodiment, the circumferential side wall of the positioning base 1 is provided with an indexing bar, wherein the middle adjusting disk 11 is adjusted to deflect by rotating the worm 16, so that the hole positioning of the flange workpiece drilling is realized.
As a preferred embodiment, the inner guide disc 18 is coaxially rotatably disposed in the middle adjusting disc 11, the lower end surface of the inner guide disc 18 is fixed with the worm wheel 14, and a torsion spring is disposed between the middle adjusting disc 11 and the inner guide disc 18, so that the deflection angle of the inner guide disc 18 is controlled within a range of 0 ° to 6 °, after the drilling of the flange workpiece is positioned, the self-adaptive eccentric adjusting mechanism 12 adjusts the drilling to be coaxial with the inner guide disc, so that the drilling machine 17 can vertically slide to perform drilling work, and the inner guide disc 18 can deflect by the drilling torque, at this time, the eccentric displacement phenomenon does not occur in the drilling, and the drilling precision is improved.
In this embodiment, the adaptive eccentric adjustment mechanism 2 includes:
a mounting sleeve 21 disposed within the intermediate adjustment plate 11;
the shaft post 23 is coaxially arranged in the mounting sleeve 21, a bearing 22 is arranged in the mounting sleeve 21, the shaft post 23 is rotationally connected with the mounting sleeve 21 through the bearing 22, and an inner connecting shaft 27 is fixed below the shaft post 23 in the mounting sleeve 21;
an adaptive driving part 3 disposed in the intermediate adjusting disk 11 and connected to the inner shaft 27;
the annular pressing bin 24 is sleeved and fixed outside the mounting sleeve 21, and an annular plug piece is arranged in the annular pressing bin 24 in a sliding manner;
the outer ring frame 25 is sleeved outside the mounting sleeve 21, a plurality of supporting rods are vertically fixed on the ring plug, and one end of each supporting rod, which is far away from the ring plug, is fixed with the outer ring frame 25;
the gas flow pipe is connected to one side of the annular pressure bin 24;
the cross section of the pressing pad piece is in an L-shaped structure, and a plurality of pressing pad pieces are circumferentially distributed on the outer ring frame 25; and
the clamping ring 26 is embedded and fixed in the installation sleeve 21, one end of the pressing pad piece slides into the clamping ring 26 and contacts with the side wall of the shaft column 23, wherein the ring plug piece in the ring pressing bin 24 can drive the outer ring frame 25 to synchronously displace under axial displacement, at the moment, the pressing pad piece can fully contact with the shaft column 23 through the clamping ring 26 in upward displacement, so that locking connection between the shaft column 23 and the installation sleeve 21 is realized, and locking action between the shaft column and the installation sleeve can be relieved when the pressing pad piece displaces downwards.
In this embodiment, a resistance increasing member is disposed on an end portion of the pressing pad extending into the pressing ring 26.
In this embodiment, the adaptive driving part 3 includes:
the connecting outer cylinder 31 is circumferentially distributed on the middle adjusting disk 11, and a piston is arranged in the connecting outer cylinder 31 in a sliding manner;
the connecting shaft bracket 33 is arranged in the middle adjusting disc 11, a plurality of connecting rods 32 are hinged on the connecting shaft bracket 33, and one ends of the connecting rods 32 are rotatably connected with the piston;
the installation concave position is arranged at the central position of the connecting shaft bracket 33, and the inner connecting shaft 27 is fixed in the installation concave position;
the air inlet 34 and the air outlet 35 are both provided on the connecting outer cylinder 31.
As a preferred embodiment, a positioning chuck (not shown) may be installed outside the positioning base 1, especially in eccentric adjustment of drilling, the connecting frame shaft bracket 33 and the flange workpiece are coaxial, the positioning chuck may be adsorbed and fixed at the drilling position of the surface of the flange workpiece (the position between the shaft post and the mounting sleeve is in a locking state), the upper fixture 12 is displaced and adjusted by the positioning chuck, at this time, the piston on the middle adjusting disk 11 correspondingly connected with the outer cylinder 31 may pump and exhaust the air flow inlet and the air flow outlet, and form a central positioning, and then the air flow inlet and the air flow outlet are closed, so as to achieve complete positioning and fixing of the upper fixture 12, where before the positioning and fixing of the upper fixture 12, whether the drilling of the flange workpiece is in the axial position (the position between the shaft post and the mounting sleeve is in a flexible rotation state) may be checked by self rotation of the positioning chuck.
Specifically, the worker places the flange work piece on the upper clamp 12, and is clamped and fixed by the upper clamp 12, then the middle adjusting disk 11 is rotated and adjusted by the worm 14 to deflect, the drilling positioning (the locking state between the axle post and the mounting sleeve) of the flange work piece drilling is realized by taking the dividing strip as a measurement basis, on one hand, the worker can manually perform the flange work piece drilling axle center adjustment, on the other hand, the positioning chuck is adopted to perform the flange work piece surface drilling auxiliary positioning, and the flange work piece drilling axle center adjustment is realized by the displacement adjustment of the positioning chuck, when the flange work piece drilling is in the axle center position (relative middle adjusting disk), the drilling machine 17 can perform drilling processing at the moment, so that the flange work piece can slightly twist by taking the drilling as the axle center under the processing vibration, the eccentric displacement of the drilling is avoided, and the processing precision is improved.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a flange graduation drilling positioning jig which characterized in that, it includes:
a positioning base (1);
the upper clamp (12) is arranged above the positioning base (1), and a plurality of clamping teeth (13) are circumferentially distributed on the upper clamp (12) and are used for firmly clamping a flange workpiece;
the middle adjusting disc (11) is rotatably arranged on the positioning base (1) and positioned below the upper clamp (12), a worm wheel (14) is coaxially arranged on the middle adjusting disc (11), a shaft disc (15) is rotatably arranged on one side of the positioning base (1), a worm (16) is fixed in the shaft disc (15), and the worm wheel (14) is meshed with the worm (16) for transmission;
the self-adaptive eccentric adjusting mechanism (2) is arranged in the middle adjusting disc (11) and is concentric or non-concentric with the middle adjusting disc (11), and the lower end of the upper clamp (12) is connected with the self-adaptive eccentric adjusting mechanism (2); the self-adaptive eccentric adjusting mechanism (2) can perform eccentric adjustment on the upper clamp (12) after drilling and positioning of the flange workpiece, so that the processing drilling hole on the flange workpiece and the middle adjusting disc (11) are coaxially arranged; and
and the drilling machine (17) is overhead and fixed right above the positioning base (1).
2. The flange indexing drilling positioning jig according to claim 1, wherein the circumferential side wall of the positioning base (1) is provided with indexing strips.
3. The flange indexing drilling positioning jig according to claim 1, wherein an inner guide disc (18) is coaxially arranged in the middle adjusting disc (11) in a rotating manner, the lower end face of the inner guide disc (18) is fixed with the worm wheel (14), and a torsion spring is arranged between the middle adjusting disc (11) and the inner guide disc (18), so that the deflection angle of the inner guide disc (18) is controlled within a range of 0-6 degrees.
4. The flange indexing drill positioning jig according to claim 1, wherein the adaptive eccentric adjustment mechanism (2) comprises:
a mounting sleeve (21) arranged in the middle adjusting disc (11);
the shaft post (23) is coaxially arranged in the mounting sleeve (21), a bearing (22) is arranged in the mounting sleeve (21), the shaft post (23) is rotationally connected with the mounting sleeve (21) through the bearing (22), and an inner connecting shaft (27) is fixed below the shaft post (23) in the mounting sleeve (21);
the self-adaptive driving piece (3) is arranged in the middle adjusting disc (11) and is connected with the inner connecting shaft (27);
the annular pressing bin (24) is sleeved and fixed outside the mounting sleeve (21), and an annular plug piece is arranged in the annular pressing bin (24) in a sliding manner;
the outer ring frame (25) is sleeved outside the mounting sleeve (21), a plurality of supporting rods are vertically fixed on the ring plug piece, and one end, away from the ring plug piece, of each supporting rod is fixed with the outer ring frame (25);
the gas flow pipe is connected to one side of the annular pressure bin (24);
the cross section of the pressing pad piece is in an L-shaped structure, and a plurality of pressing pad pieces are circumferentially distributed on the outer ring frame (25); and
the compression ring (26) is embedded and fixed in the mounting sleeve (21), and one end of the pressing pad piece slides into the compression ring (26) and contacts with the side wall of the shaft column (23).
5. The flange indexing drill positioning jig according to claim 4, wherein the end portion of the pressing pad extending into the pressing ring (26) is provided with a resistance increasing member.
6. A flange indexing drill positioning jig according to claim 4, characterized in that the adaptive driving member (3) comprises:
the connecting outer cylinder (31) is circumferentially distributed on the middle adjusting disc (11), and a piston is arranged in the connecting outer cylinder (31) in a sliding manner;
the connecting shaft bracket (33) is arranged in the middle adjusting disc (11), a plurality of connecting rods (32) are hinged to the connecting shaft bracket (33), and one ends of the connecting rods (32) are rotatably connected with the piston;
the installation concave position is arranged at the central position of the connecting shaft bracket (33), and the inner connecting shaft (27) is fixed in the installation concave position;
the air flow inlet (34) and the air flow outlet (35) are arranged on the connecting outer cylinder (31).
7. The flange indexing drilling positioning jig according to claim 4, wherein a positioning chuck is installed outside the positioning base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310397581.6A CN116117563B (en) | 2023-04-14 | 2023-04-14 | Flange indexing drilling positioning jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310397581.6A CN116117563B (en) | 2023-04-14 | 2023-04-14 | Flange indexing drilling positioning jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116117563A true CN116117563A (en) | 2023-05-16 |
| CN116117563B CN116117563B (en) | 2023-06-23 |
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ID=86308449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310397581.6A Active CN116117563B (en) | 2023-04-14 | 2023-04-14 | Flange indexing drilling positioning jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116117563B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493859A (en) * | 2023-06-29 | 2023-07-28 | 中国航发成都发动机有限公司 | Electron beam welding fixture |
| CN117300205A (en) * | 2023-11-28 | 2023-12-29 | 山西省定襄县龙门锻压有限公司 | Flowmeter flange hole machining device and use method |
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| CN205414464U (en) * | 2016-03-25 | 2016-08-03 | 天虹阀门科技（泉州）有限公司 | Multipurpose drilling machine |
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| CN209902739U (en) * | 2019-04-29 | 2020-01-07 | 四川威斯卡特工业有限公司 | Clamp for turbine shell |
| CN211465613U (en) * | 2019-12-31 | 2020-09-11 | 金华市高级技工学校 | Adjustable crankshaft clamp |
| CN211840193U (en) * | 2020-03-23 | 2020-11-03 | 宝鸡市福齐钛镍管件制造有限公司 | Drilling indexing fixture for drilling machine |
| CN115284227A (en) * | 2022-08-30 | 2022-11-04 | 吉林化工学院 | Automatic adjustment and detection system for surface quality of mandrel and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0012233A1 (en) * | 1978-12-15 | 1980-06-25 | Eduard Jöcker | Perforating tool for tiles or the like |
| CN101186019A (en) * | 2007-11-29 | 2008-05-28 | 贺梦军 | Hydraulic pressure aligning flower disc |
| CN102962680A (en) * | 2012-11-09 | 2013-03-13 | 安康水力发电厂 | Drilling device special for vertical drill flange |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116493859A (en) * | 2023-06-29 | 2023-07-28 | 中国航发成都发动机有限公司 | Electron beam welding fixture |
| CN116493859B (en) * | 2023-06-29 | 2023-09-15 | 中国航发成都发动机有限公司 | Electron beam welding fixture |
| CN117300205A (en) * | 2023-11-28 | 2023-12-29 | 山西省定襄县龙门锻压有限公司 | Flowmeter flange hole machining device and use method |
| CN117300205B (en) * | 2023-11-28 | 2024-02-02 | 山西省定襄县龙门锻压有限公司 | Flowmeter flange hole machining device and use method |
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| Publication number | Publication date |
|---|---|
| CN116117563B (en) | 2023-06-23 |
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